248 NOTES ON AUSTRALIAN COLEOPTERA, 



epimera), its elytra are very much more strongly emarginate 

 behind the shoulders, so that the humeral lobes are very much 

 more prominent (they are as in Cacochroa gymnojjleura, Fisch.) ; 

 the scutellum (being wide at the base) forms an equilateral 

 triangle. 



Queensland ; in the S. Australian Museum. 



DiAPHONIA EUCLENSIS, Sp.nOV. 



Sat nitida ; nigra, prothorace (macula bene determinata magna 

 discoidali plus minus trapezoidali et linea basali angusta 

 exceptis) scutelli disco et elytris (lineis tenuibus suturali et 

 laterali, hac a basi vix ad medium extensa, exceptis) flavo- 

 testaceis ; capite postice pygidio et corpore subtus sat dense 

 cinereo-hirsutis ; capite dense rugulose punctulato ; pro- 

 thorace sat crebre dupliciter (puncturis magnis et nonnullis 

 multo minoribus intermixtis, latera versus gradatim nonniljil 

 crassioribus) vix rugulose punctulato, linea dorsali laevi 

 instructo ; scutello utrinqne juxta basin fortiter punctulato ; 

 elytris sat crasse insequaliter punctulatis et plus minusve 

 obsolete costulatis ; pygidio concentrice strigato. 

 ^. Tibiis anticis inermibus vel obtuse vix manifeste infra 

 medium dentatis, intermediis inermibus, posticis infra 

 medium dente parvo armatis ; abdomine longitudinaliter 

 concavo ; antennarum clava elongata. 

 ^. Tibiis anticis externe fortiter tridentatis, intermediis dente 

 acuto posticis dentibus 2 (superiori minuto) armatis ; al)do- 

 mine aiqualiter convexo ; antennarum clava brevi. 



[Long. 13-14, lat. 6i-6f lines. 

 The sculpture throughout is extremely like that of Hemichnoodes 

 Mniszech% Jans., except that that of the scutellum is confined to 

 the anterior corners, leaving the middle line and the aj)ex broadly 

 Isevigate, whereas in //. Jlniszechi it is continuous across the base. 

 The suture is only slightly carinate behind (though more so than 

 in II. Mniszechi) and is not in the least protuberant at the apex. 

 The mesosternal process is of the shape usual in Diaphonia ( D, 



